--- zzzz-none-000/linux-4.9.279/net/netfilter/nf_queue.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/net/netfilter/nf_queue.c	2023-02-08 11:43:43.000000000 +0000
@@ -16,7 +16,9 @@
 #include <net/protocol.h>
 #include <net/netfilter/nf_queue.h>
 #include <net/dst.h>
-
+#if defined(CONFIG_APPCPU_GW_PP_HANDLE) || defined(CONFIG_TI_PACKET_PROCESSOR)
+#include <linux/ti_hil.h>
+#endif /* CONFIG_APPCPU_GW_PP_HANDLE || CONFIG_TI_PACKET_PROCESSOR*/
 #include "nf_internals.h"
 
 /*
@@ -228,6 +230,38 @@
 	case NF_STOLEN:
 		break;
 	default:
+#if defined(CONFIG_APPCPU_GW_PP_HANDLE) || defined(CONFIG_TI_PACKET_PROCESSOR)
+                {
+			int skip_pp_discard=0;
+			struct ethhdr* ptr_ethhdr = NULL;
+
+#define MAC_ISMULTICAST( pa, hw )    ( ((pa)->hw[0] & 0x01)  )
+#define MAC_ISBROADCAST( pa, hw ) ( ~0xFF ==( (~(pa)->hw[0]) | \
+                                              (~(pa)->hw[1]) | \
+                                              (~(pa)->hw[2]) | \
+                                              (~(pa)->hw[3]) | \
+                                              (~(pa)->hw[4]) | \
+                                              (~(pa)->hw[5]) ))
+
+			ptr_ethhdr = eth_hdr(skb);
+
+			if (  ptr_ethhdr)
+			{
+				/* Check if the package is the multicast type, but not a broadcast */
+				if (  ( ! (MAC_ISBROADCAST (ptr_ethhdr, h_dest)) )  &&
+					  (   MAC_ISMULTICAST (ptr_ethhdr, h_dest))  )
+				{
+					skip_pp_discard=1;
+					printk(KERN_DEBUG "NF_DROP :Multicast pkg, Do not create PP drop session\n" );
+				}
+			}
+
+			if ( ! skip_pp_discard )
+			{
+				ti_hil_pp_event (TI_CT_NETFILTER_DISCARD_PKT, (void *)skb);
+			}
+		}
+#endif /* CONFIG_APPCPU_GW_PP_HANDLE || CONFIG_TI_PACKET_PROCESSOR*/
 		kfree_skb(skb);
 	}